-24.82% is the change from 693 to 521
Calculation steps:
[( 521 - 693 ) ÷ 693] x 100 = -24.82%
Formula
Percentage change = [(521 - 693) / 693] x 100
Subtract the new number by the original number
521 - 693 = -172
-172 ÷ 693 = -0.2481962481962482
-0.2481962481962482 x 100 = -24.82%